Howards Hydraulic Roller Lifters - SB Chevy Retro-Fit (2) Helmet Peak In recent testing this intake

In recent testing this intake produced +9 hp and +8 lbs

transferring power instead of absorbing it

COMP Cams Dual Valve Springs exceed the expectations of today's engine builders and racers

AC override circuit included

Howards Hydraulic Roller Lifters - SB Chevy Retro-Fit (2) Helmet Peak In recent testing this intakeProduct Description: Lifter Retro Fit Street Hydraulic Roller 0. 842 in OD Link Bar Small Block Chevy Pair The name Howards Cams has been synonymous with high performance camshafts since the 1950s. Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced racers in Circle Track, Drag Racing,